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Finding the Fourth Proportional to 605,847.80, 908,771.70 and 546,798.80

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Solution

The fourth proportional to 605,847.80, 908,771.70 and 546,798.80 is: 820,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,847.80 : 908,771.70 = 546,798.80 : x
  2. Step 2: Convert to fraction form
    605,847.80/908,771.70 = 546,798.80/x
  3. Step 3: Cross multiply
    605,847.80x = 908,771.70 × 546,798.80
  4. Step 4: Simplify right side
    605,847.80x = 496,915,275,033.96
  5. Step 5: Solve for x
    x = 496,915,275,033.96/605,847.80
  6. Step 6: Final answer
    x = 820,198.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.